*{
    padding: 0;
    margin: 0;
}
body{
    background-color: #c28a8b;
}
.w{
    margin-left: 40px;
}
.arrow{
    border: 9px solid transparent;
    border-bottom-color: #3DA0DB;
    width: 0px;
    height: 0px;
    top:0px
}
.stick{
    width: 8px;
    height: 14px;
    border-radius: 1px;
    background-color: #3DA0DB;
    top:15px;
}
#back_top div{
    position: absolute;
    margin: auto;
    right: 0px;
    left: 0px;
}
#back_top{
    background-color: #dddddd;
    height: 38px;
    width: 38px;
    border-radius: 3px;
    display: block;
    cursor: pointer;
    position: fixed;
    right: 50px;
    bottom: 100px;
    display: none;
}
.report h1{
    margin: 10px auto;
   
    font-size: 100px;
    color: pink;
    text-shadow: 20px 20px 15px #f1f1f1;
}
.introduce{
    text-align: center;
    
}
.name{
    line-height: 35px;
    border-radius:  15px; 
    font-family:隶书;
    font-weight: 200;
    width: 294px;
    height: 35px;
    background-color: #f1f382;
    margin-top: 20px;
    font-size: 17px;
}
.introduce span{
    font-family: 'Courier New', Courier, monospace;
    font-size: 21px;
    font-weight: 700px;
    padding-right: 6px;
    margin-right: 5px;
}
.introduce .banji{
    background-color: rgb(136, 233, 209);
}
.introduce .start{
    background-color: #e7c6c7;
    font-family: 'Courier New', Courier, monospace;
}
h3{
    font-size: 23px;
}
.bubbels{
    position: absolute;
    width: 100%;
    height: 192%;
    z-index: 0;
    overflow: hidden;
    top:0;
    left: 0;

}
.bubble{
    position: absolute;
    bottom: 0;
    width: 40px;
    height: 40px;
    background: #f1f1f1;
    border-radius: 50%;
    opacity: 0.5;
    animation: flying 10s infinite ease-in;
}
.bubble:nth-child(1){
    width: 40px;
    height: 40px;
    left: 10%;
    animation-duration: 8s;
}
.bubble:nth-child(2){
    width: 20px;
    height: 20px;
    left: 20%;
    animation-duration: 5s;
    animation-delay: 1s;
}
.bubble:nth-child(3){
    width: 50px;
    height: 50px;
    left: 35%;
    animation-duration: 10s;
    animation-delay: 2s;
}
.bubble:nth-child(4){
    width: 80px;
    height: 80px;
    left: 50%;
    animation-duration: 7s;
    animation-delay: 0s;
}
.bubble:nth-child(5){
    width: 35px;
    height: 35px;
    left: 55%;
    animation-duration: 12s;
    animation-delay: 2s;
}
.bubble:nth-child(6){
    width: 45px;
    height: 45px;
    left: 65%;
    animation-duration: 16s;
    animation-delay: 6s;
}
.bubble:nth-child(7){
    width: 50px;
    height: 50px;
    left: 75%;
    animation-duration: 10s;
    animation-delay: 5s;
}
.bubble:nth-child(8){
    width:80px;
    height: 80px;
    left: 80%;
    animation-duration: 6s;
    animation-delay: 2s;
}
.bubble:nth-child(9){
    width: 15px;
    height: 15px;
    left: 70%;
    animation-duration: 9s;
    animation-delay: 0s;
}
.bubble:nth-child(10){
    width: 50px;
    height: 50px;
    left: 85%;
    animation-duration: 8s;
    animation-delay: 3s;
}
@keyframes flying{
    0%{
        bottom: -200px;
        transform: translateX(0);
    }
    50%{
        transform: translateX(200px);
    }
    100%{
        bottom: 2160px;
        transform: translateX(-400px);
    }
}
.explan{
    margin-top: 50px;
    margin-left: 40px;
    font-family: 隶书 ;
    font-size: 20px;
}
.explan .part{
    font-size: 30px;
    margin-top: 20px;
    margin-bottom: 20px;
    font-family: 微软雅黑;
}
table{
    margin-right: 50px;
    border: 2px solid #41494c;
}
table td{
    border: 1px solid #41494c;
}
tr:nth-child(3){

    background-color: #f1f382;
}
tr:nth-child(5){

    background-color: #f1f382;
}
tr:nth-child(1){
    background-color: lavenderblush;
}
tr :nth-child(){
   background-color: pink;
}
.all .part{
    color: #e7c6c7;
    font-size: 45px;
    margin-top: 30px;
}
.all{
    font-family: 隶书;
    font-size: 21px;
    margin-right: 20px;
}
footer{
    height: 200px;
    margin-left: 50px;
    margin-top: 45px;
    
}
.solid{
    height: 2px;
    width: 100%;
    margin-top: 100px;
    margin-bottom: 40px;
    background-color: #7f8689;
}
.return{
    width: 250px;
    height: 35px;
    line-height: 35px;
    background-color: lightpink;
    border-radius: 25px;
    text-align: center;
    font-size: 16px;
   margin-top: 20px;
   }
   a{
    text-decoration: none;
    color: antiquewhite;
   }